Casio Calculator 82 ES Plus Original Black
The calculator displays 10 digit mantissa + 2 digit exponential when it comes to numbers making calculation much easier and widening the horizon for the kind of calculations you need to get done.
You can quickly get back a few steps to re check and change formulas if there was a mistake and the replay is faster than ever. This form of display ensures high resolution viewing and also that your graphs are great looking and have better clarity.